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TIMKEN / Tdo - tapered double outer

TIMKEN 787-90085

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
104.775 mm
Outside diameterD
180 mm
WidthB
104.775 mm
Dynamic load ratingC
603 kN
Static load ratingC0
989 kN
Mass≈m
10.13 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications11 parameters
Core specifications
ParameterSymbolValue
Series775
Variant / constructionTDO - Tapered Double Outer
Bore diameterd104.775 mm
Outside diameterD180 mm
WidthB104.775 mm
Basic dynamic load ratingC603 kN
Basic static load ratingC0989 kN
Mass≈m10.13 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.51
Y1 Factor1.75
Y2 Factor2.61
Y0 Factor1.71
E Factor0.39
Cg Factor0.1067
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100035257
World Assembly Part Number787_773D
Inner Ring Part Number787
Outer Ring Part Number773D
Drawing NumberA-30608
Upc0053893091013
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.15
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 4.1250 in Bore | 7.0866 in OD | 4.1250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating156,000 N
Axial Rating59,200 N
Dynamic Rating C1603,000 N
Dynamic Rating C90156,000 N
Dynamic Axial Rating Ca9059,200 N
Dynamic Axial Rating Ca1228,000 N
Static Radial Rating C0989,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A556,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
TIMKEN 787-90085
Document matching
Exact designation, assembly scope, revision and units must agree.

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